Bump file-loader from 6.1.1 to 6.2.0 in /frontend

Bumps [file-loader](https://github.com/webpack-contrib/file-loader) from 6.1.1 to 6.2.0.
- [Release notes](https://github.com/webpack-contrib/file-loader/releases)
- [Changelog](https://github.com/webpack-contrib/file-loader/blob/master/CHANGELOG.md)
- [Commits](webpack-contrib/file-loader@v6.1.1...v6.2.0)

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -70,7 +70,7 @@
     "eslint-plugin-react": "^7.21.5",
     "eslint-plugin-react-hooks": "^4.2.0",
     "eslint-plugin-standard": "^4.0.1",
-    "file-loader": "^6.1.1",
+    "file-loader": "^6.2.0",
     "html-webpack-plugin": "^5.0.0-beta.6",
     "jest": "^26.6.2",
     "jest-emotion": "^10.0.32",